空间连贯度的长度和波浪结构的功能平面波传输在异型流动的海洋中传输的平面波
概括
这项研究分析了海水流中光的传播. 盐度波动显著影响波段结构和连贯度长度,而不是温度,两者都表现出和趋势.
科学领域:
- 海洋光学 海洋光学
- 流体动力学 流体动力学
- 波浪的传播方式
背景情况:
- 海水中的流显著影响光的传播.
- 空间连贯长度和波相结构函数是描述这些效应的关键参数.
- 了解这些参数对于水下通信和传感至关重要.
研究的目的:
- 在中等到强烈的海水流中导出平面波的波形结构函数和空间连贯长度.
- 分析各种因素对这些参数的影响,包括流强度,信号波长和传播距离.
- 研究温度和盐度波动对光传播的明显影响.
主要方法:
- 开发一个修改的海水流动功率频谱.
- 海洋修改的瑞托夫近似的应用.
- 分析参数演变的数值计算.
主要成果:
- 阶段结构函数和空间连贯长度都随着传播距离的增加而增加,并随着流强度的减少而减少,呈现和.
- 海水的盐度波动比温度波动有更明显的影响.
- 随着信号波长和异构度的增加,波波结构功能会下降,而空间连贯长度则呈现相反的趋势.
结论:
- 盐度是影响海水流中的光传播的主要因素.
- 衍生模型提供了关于光在动荡的海洋环境中的行为的见解.
- 这些发现对于优化水下光学系统具有重要意义.
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